How many chill hours does 17965 get?

17965 averages 1710 chill hours per winter, ranging from 1361 to 2066 across the last 10 years.

What hardiness zone is 17965?

17965 is in USDA hardiness zone 6b.

Location almanac

The short answer

17965 averages 1,710 chill hours per winter (1,361–2,066 across 10 years) in USDA zone 6b.

17965 climate
Average chill hours	1,710 (1,361–2,066 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically March 30 – April 29
First fall frost	typically November 1 – November 14

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 17965’s chill hours and zone:

Chill and zone requirements are comfortably met in 17965.

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How many chill hours does 17965 get?: 17965 averages 1710 chill hours per winter, ranging from 1361 to 2066 across the last 10 years.
What hardiness zone is 17965?: 17965 is in USDA hardiness zone 6b.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026